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How can I do image segmentation without using threshold level number ?

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Ali Zulfikaroglu
Ali Zulfikaroglu on 21 Apr 2021
Edited: Amit on 6 Jun 2021
I have a mammogram image . I need to segment tumor from image with exact shape and location.
I tried im2bw(I, 0.7) or imbinarize(I, 'adaptive') or imbinarize(I, 'global')...
im2bw is the best way for result but for every image I need to change level number ( I mean 0.7 )
and I couldn't get exact shape with level number sometimes I give 0,657 .. to get closest tumor shape.
every time giving a number and see result is tiring to get the best exact shape.
I added breast image and tumor is obvious white circle tissue.
How can we segment tumor from image with best method ?
the image is taken from miasdatabase
Amit on 6 Jun 2021
Seeing the variations in 100s of database images and writing code which suits for all database images is the purpose.
I suppose there is limit on number of database images that can be shared on this forum... certainly 100s of database images can not be shared on this forum...
If its possible to share such huge data here then I dont mind to continue discussion on this forum ...

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